1. Ministry of Foreign Affairs of China
2. Ministry of Science and Technology of China
3. China Meteorology Administration
4. China Education and Research Network
5. Development Research Center of the State Council of China
6. Jiangsu Overseas Tourist Corporation
7. China Trip
8. China International Travel Service (CITS)
9. Digital Map of Nanjing
10. Nanjing--Travel China Guide
11. Nanjing, Jiangsu and the world
12. Nanjing- China on your mind
13. Nanjing, Jiangsu, China, Asia- http://www.virtualtourist.com/
14. United Nations
15. United Nations Development Programme
16. News, live radio and TV
17. AVIATION WEEK